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经营范围
发明名称
Procédé d'obtention de composés du chrome
摘要
申请公布号
FR1071943(A)
申请公布日期
1954.09.07
申请号
FRD1071943
申请日期
1952.12.19
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
分类号
C01G37/06
主分类号
C01G37/06
代理机构
代理人
主权项
地址
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